Employment, U.S., 1860-1970, annual        
  22577.0 
  22792.0 
  23932.0 
  22321.0 
  21102.0 
  22824.0 
  23129.0 
  23604.0 
  24746.0 
  26911.0 
  27909.0 
  28922.0 
  29800.0 
  30506.0 
  30771.0 
  31976.0 
  33749.0 
  34371.0 
  33246.0 
  35072.0 
  35762.0 
  36179.0 
  37433.0 
  38298.0 
  37559.0 
  37511.0 
  39364.0 
  40084.0 
  42712.0 
  41938.0 
  40799.0 
  38568.0 
  41134.0 
  43955.0 
  43607.0 
  45082.0 
  46464.0 
  46496.0 
  46774.0 
  47890.0 
  45740.0 
  42660.0 
  39190.0 
  39010.0 
  41150.0 
  42530.0 
  44710.0 
  46620.0 
  44560.0 
  46120.0 
  48060.0 
  51970.0 
  57720.0 
  63490.0 
  65370.0 
  64260.0 
  58700.0 
  58630.0 
  59803.0 
  59266.0 
  60570.0 
  63062.0 
  63846.0 
  64726.0 
  63460.0 
  65220.0 
  66659.0 
  66871.0 
  65672.0 
  67182.0 
  68292.0 
  68318.0 
  69530.0 
  70500.0 
  72044.0 
  73811.0 
  76018.0 
  77818.0 
  79455.0 
  81408.0 
  81815.0 
